- Check if the screen auto-lock is enabled. If it is enabled, make sure the timeout is set to a reasonable time.
- Make sure the screen is clean and free of dust.
- Make sure the power button is functioning properly.
- Check if any apps or settings are causing the issue.
- Update your device to the latest version of the operating system.
- Try wiping the device’s cache partition.
- Reset the device to factory settings if all else fails.